OSI/Referenzmodell/Zusammenfassung

Ebene	DoD	OSI		Protokolle	Daten	Adresse	Komponente
Anwendung	Process	7	Application‎	HTTP SMTP FTP DNS DHCP LDAP …	Ströme	URL	Dienst Gateway Proxy Content-Switch
		6	Presentation‎
		5	Session‎
Transport	Host-to-Host	4	Transport	TCP UDP	Segment Datagramm	Port	Firewall Layer-4-Switch
	Internet	3	Network‎	IPv4 IPv6	Datagramm	IP	Router Layer-3-Switch
	Network Access	2	Data Link‎	Ethernet WLAN DSL MPLS	Frame Symbol	MAC	Bridge Switch WLAN Access Point
		1	Physical‎	xBase-T Token Ring	Signal	Port	Netzwerkkabel Repeater Hub